Crime + investigation

Why Martha Stewart Went to Prison and How the ImClone Stock Scandal Unfolded

Stewart's seemingly simple stock sale evolved into one of the most closely watched—and most controversial—white-collar cases of the early 2000s.

NY Daily News via Getty Images
Published: June 12, 2026Last Updated: June 12, 2026

For much of the 1980s and 1990s, Martha Stewart embodied the American success story. Through bestselling books, magazines and television appearances, she built a lifestyle empire around cooking, entertaining, decorating and homemaking, becoming one of the most recognizable businesswomen in the country.

That image began to unravel in 2001, when Stewart sold shares of biotechnology company ImClone Systems shortly before negative news sent the stock price tumbling. The transaction drew the attention of federal regulators and sparked an investigation that grew into one of the most closely watched white-collar criminal cases of the decade.

In 2004, Stewart was convicted of conspiracy, obstruction of justice and making false statements to federal investigators. The case transformed her from a lifestyle icon into a criminal defendant and, ultimately, a federal inmate.

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Martha Stewart's Rise to Fame

Long before she faced criminal charges, Stewart had established herself as one of the most influential figures in lifestyle media.

Born Martha Kostyra in New Jersey in 1941, she worked as a model during college before eventually becoming a stockbroker on Wall Street. In the 1970s, she launched a catering business that quickly gained a reputation among wealthy clients in New York and Connecticut. 

The publication of her first book, Entertaining, in 1982 helped establish Stewart as an authority on domestic living. Over the following two decades, she expanded her brand into books, magazines, syndicated television, merchandise and lucrative licensing agreements with merchants like Kmart. In 1997, she consolidated many of her ventures into Martha Stewart Living Omnimedia.

When the company went public in 1999, Stewart became America's first self-made female billionaire. At the height of her success, she appeared to have built one of the most powerful personal brands in the country.

The ImClone Stock Sale

The events that would eventually lead to Stewart's conviction began on December 27, 2001.

On that day, Stewart sold 3,928 shares of stock in ImClone Systems, a biotechnology company led by entrepreneur Samuel Waksal. The sale occurred just one day before the public learned that the Food and Drug Administration had refused to review ImClone's application for a promising cancer treatment called Erbitux.

When the FDA's decision became public, ImClone shares dropped sharply. Stewart's sale allowed her to avoid losses estimated at $45,673.

Initially, the transaction attracted little attention. But as investigators began examining trading activity surrounding ImClone executives and insiders, questions emerged about whether Stewart had received advance information about the company's troubles. Federal authorities discovered that Waksal and members of his family had attempted to sell significant amounts of stock shortly before the FDA announcement.

Federal Investigators Begin Asking Questions

Those discoveries prompted both the Securities and Exchange Commission and federal prosecutors to examine the circumstances surrounding Stewart's stock sale.

Stewart maintained that there was nothing unusual about the transaction. According to her account, she had previously arranged with her broker, Peter Bacanovic, to sell the stock if it fell below a predetermined price. She argued that the December sale was simply the execution of that standing instruction.

Investigators, however, questioned whether such an agreement actually existed. They reviewed brokerage records, telephone logs and witness testimony in an effort to reconstruct the events leading up to the trade.

At the same time, the government was pursuing a separate case against Waksal. In 2002, he was arrested and later pleaded guilty to insider trading and other offenses. His downfall intensified scrutiny of anyone connected to the suspicious trading activity surrounding ImClone.

Why Did Martha Stewart Go to Jail?

As the investigation expanded, Stewart increasingly found herself at the center of a growing legal and media controversy. The case unfolded against the backdrop of her carefully cultivated public image as a perfectionist and authority on domestic living. Admired by many for her success, Stewart was also frequently portrayed in the media as demanding, controlling and aloof. As a result, some commentators argued that coverage of the case reflected not only interest in the legal allegations, but also a broader fascination with watching a famously exacting public figure stumble.

In June 2003, federal prosecutors and securities regulators escalated their case against Stewart. A federal grand jury in Manhattan indicted Stewart and Bacanovic on multiple criminal counts, including conspiracy, obstruction of justice, securities fraud and making false statements to investigators. Prosecutors alleged that Stewart's sale of ImClone shares allowed her to avoid nearly $46,000 in losses.

On the same day, the Securities and Exchange Commission filed a civil complaint accusing Stewart and Bacanovic of insider trading and securities fraud. The SEC alleged that Bacanovic had tipped Stewart that Waksal and members of his family were attempting to sell their shares before negative news about the company became public. The civil case was later put on hold while the criminal proceedings moved forward.

Stewart denied wrongdoing and maintained that she had a standing agreement with Bacanovic to sell her ImClone shares if the stock price fell below $60. Following the indictment, she resigned as chief executive and chairwoman of Martha Stewart Living Omnimedia, though she remained on the company's board of directors.

Determined to fight the allegations publicly, Stewart took out a full-page advertisement in USA Today and published an open letter to supporters asserting her innocence. "I am innocent," she wrote. "I will fight to clear my name."

Martha Stewart’s Trial

Stewart and Bacanovic went on trial together in federal court in Manhattan in January 2004. The proceedings quickly became one of the most closely watched white-collar criminal trials in the country, attracting intense media coverage and daily attention from television networks, newspapers and financial publications.

Over several weeks, jurors heard testimony from investigators, brokers and other witnesses connected to the case. A key witness was Douglas Faneuil, an assistant to Bacanovic, who testified about conversations surrounding Stewart's stock sale and the explanations offered afterward. Jurors also heard testimony from Mariana Pasternak, a longtime friend of Stewart's who had been traveling with her in Mexico when the stock sale occurred. Pasternak testified about conversations she had with Stewart after the trade and later recounted discussions about the explanation Stewart planned to give investigators. 

Prosecutors argued that Stewart had received information indicating that Waksal and his family were trying to sell their shares before the FDA announcement became public. They contended that she then participated in efforts to conceal the reason for her own sale once investigators began asking questions.

Defense attorneys countered that the government lacked direct evidence of insider trading. In a significant setback for the government, Judge Miriam Goldman Cedarbaum agreed, dismissing the securities fraud charge before the case went to the jury.

Martha Stewart’s Conviction and Sentence

After weeks of testimony, on March 5, 2004, Stewart and Bacanovic were convicted on four felony counts. The jury found Stewart and Bacanovic guilty of conspiracy, concealing material information, making false statements to government officials and obstructing an agency proceeding. The jury also found Bacanovic guilty of perjury.

In July 2004, a federal judge sentenced Stewart to five months in prison, followed by five months of home confinement and two years of probation.

The sentence was relatively modest by federal standards, but it carried enormous symbolic significance. Stewart had become one of the most famous executives in America to face incarceration for a white-collar crime.

Stewart reported to a minimum-security federal prison camp in Alderson, W.V., in October 2004. Her imprisonment became a media event in its own right. News organizations closely followed her experience behind bars, documenting everything from prison conditions to reports of how she spent her time while incarcerated.

Martha Stewart’s Life After Prison

Stewart completed her prison term in March 2005 and returned home to begin serving five months of home confinement. In 2006, she settled civil insider trading charges brought by the SEC, paying $195,000 in fines.

At the time, many observers questioned whether one of the most recognizable brands in American business could survive the scandal, but Stewart moved quickly to rebuild. Within months, she returned to television, resumed publishing projects and began restoring relationships with advertisers, retailers and business partners. While her conviction remained a permanent part of her public story, she steadily shifted attention back to the products and lifestyle empire that had made her famous.

Over the following decade, Stewart expanded her brand through new books, television programs, licensing agreements and retail partnerships. A new generation of consumers discovered her through projects that often leaned into, rather than avoided, her notoriety. 

The Scandal’s Lasting Legacy

More than two decades later, Stewart's conviction remains one of the defining white-collar criminal cases of the early 2000s. The prosecution unfolded during a period of heightened scrutiny of corporate misconduct in the United States. In the wake of major accounting scandals at Enron and WorldCom, federal prosecutors faced public pressure to pursue high-profile corporate crime cases more aggressively.

James Comey, then the U.S. Attorney for the Southern District of New York, later defended the Stewart prosecution as an important example of holding prominent individuals accountable for lying to investigators. Critics, however, argued that Stewart became a symbol of the government's broader effort to demonstrate toughness on corporate crime, noting that she was never charged with insider trading itself.

The debate surrounding the case has persisted long after Stewart completed her sentence. For some, it demonstrated that wealth, influence and celebrity do not place someone above the law. For others, it raised questions about prosecutorial discretion and the extent to which a defendant's public profile can shape a criminal case.

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About the author

Barbara Maranzani

Barbara Maranzani is a New York–based writer and producer covering history, politics, pop culture, and more. She is a frequent contributor to The History Channel, Biography, A&E and other publications.

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Citation Information

Article Title
Why Martha Stewart Went to Prison and How the ImClone Stock Scandal Unfolded
Website Name
A&E
Date Accessed
June 12, 2026
Publisher
A&E Television Networks
Last Updated
June 12, 2026
Original Published Date
June 12, 2026
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